Results 41 to 50 of about 8,189 (212)

Asma, reactividade brônquica, esforço e imunoterapia

open access: yesRevista Portuguesa de Pneumologia, 1998
ABSTRACTAlthough abcense of crisis or relevant complaints, many asthmatic patients mantain wheezy breathing in effort with greater or minor limitation on their activity, after treatment with specific immunotherapy (S.I.T.).This question is raised out especially among young adults and people whose job demand continuous efforts, and whose compliance is ...
openaire   +2 more sources

Adición de coque de petróleo a mezclas coquizables. Modificación de la calidad del coque metalúrgico

open access: yesRevista de Metalurgia, 1995
Se estudia la influencia que la adición de un coque verde de petróleo a mezclas coquizables tiene sobre la calidad de los coques metalúrgicos resultantes.
J. A. Menéndez   +6 more
doaj   +1 more source

Tailoring Microstructure in Copper‐Based Conductive Metal–Organic Frameworks for Enhanced Chemiresistive Sensing and Uptake of Sulfur Dioxide

open access: yesAdvanced Functional Materials, Volume 36, Issue 26, 30 March 2026.
Precursor‐ and solvent‐mediated synthesis yields four Cu3(HHTP)2 morphologies with distinct physicochemical, sorption, and sensing properties toward SO2. Uptake capacities correlate with BET surface area, while sensing performance scales with particle aspect ratio.
Patrick Damacet   +5 more
wiley   +1 more source

Ginsenoside Rg1 as a Multifunctional Therapeutic Agent: Pharmacological Properties, Molecular Mechanisms and Clinical Perspectives in Complementary Medicine

open access: yesFood Science &Nutrition, Volume 14, Issue 2, February 2026.
Ginsenoside Rg1 (Rg1) from Panax ginseng shows multifunctional health effects. Although oral bioavailability is low and blood–brain barrier (BBB) penetration is limited, delivery systems such as liposomes and nanoparticles may improve exposure. Rg1 reduces inflammation/oxidative stress by inhibiting nuclear factor‐κB (NF‐κB) signaling and reactive ...
Hernán Cortés   +13 more
wiley   +1 more source

Reactividad inmunoquímica de sueros anti Caiman yacare y Caiman latirostris frente a sueros de diferentes especies [PDF]

open access: yes, 2010
Se estudió la reactividad inmunoquímica entre los sueros de distintas especies de reptiles frente a sueros hiperinmunes experimentales anti-suero de Caiman yacare y anti-suero de Caiman latirostris.
Roodt, Adolfo Rafael de
core  

Exploring the Antiparasitic Activity of the Sea Cucumber Isostichopus sp. aff. badionotus From the Northern Coast of Colombia Against Trypanosoma cruzi

open access: yesThe Scientific World Journal, Volume 2026, Issue 1, 2026.
Chagas disease, caused by Trypanosoma cruzi, remains a neglected tropical infection with limited therapeutic options. Sea cucumbers are recognized as rich sources of bioactive sulfated metabolites with potential antiparasitic properties; however, information on the chemistry and trypanocidal activity of Caribbean Isostichopus species is still scarce ...
Manuel E. Taborda-Martínez   +9 more
wiley   +1 more source

PERSONALIDAD PRO-CORONARIA, FACTORES SITUACIONALES Y REACTIVIDAD CARDIOVASCULAR

open access: yes, 2017
El presente estudio se dirige a analizar la asociación entre el patrón de conduc-ta Tipo-A (PCTA), globalmente considerado, o en sus principales componentes, Competitividad y Hostilidad, y la reactividad cardiovascular (Frecuencia cardía-ca) ante dos ...
Ana María Pérez-García y José Bermúdez, 1
core   +1 more source

Estudio de la protección del refuerzo de partículas de SiC mediante barreras activas por sol-gel en materiales compuestos de matriz de aluminio

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2004
A microcrystalline, homogeneous and transparent sol – gel silica coating has been developed to avoid the degradation and improve the wettability of aluminium matrix composites reinforced with SiC particles.
Ureña, A.   +3 more
doaj  

Fluorescent Sensing of SO2 by MFM‐300(M) Metal–Organic Frameworks: Influence of Semi‐Open Metal Centres

open access: yesSmall, Volume 21, Issue 42, October 23, 2025.
The MFM‐300(M) series is investigated as a fluorescent platform for SO2 detection, highlighting how the nature of metal centers modulates fluorescence emission. MFM‐300(Al) displays the brightest emission and strongest response. Experimental and computational studies reveal distinct quenching mechanisms depending on the metal center, highlighting the ...
Valeria B. López‐Cervantes   +13 more
wiley   +1 more source

Reactividad alcalina potencial de los basaltos mesopotámicos [PDF]

open access: yes, 2012
Los basaltos de la Mesopotamia son una importante fuente de de agregados destinados a la elaboración de hormigones. Si bien presentan en general un comportamiento en servicio satisfactorio desde el punto de vista de la durabilidad, existen casos ...
Maiza, Pedro   +4 more
core  

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